Tropical Storm Warning — Terrebonne Bay, GM, Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm, GM, Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM, GM Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS 8:00 PM Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS 8:00 PM

Montegut, Louisiana

Last updated: 7:54 PM CDT  ·  Refresh
30°C
Feels like 37°
Clear
▲ 32°  /  ▼ 25°
Wind
8 mph SW
Humidity
75%
Dew Point
25°
Pressure
29.97 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
6:18 AM
Sunset
7:58 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Montegut is currently clear at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2114 J/kg) — isolated convective development possible. Sunrise: 6:18AM · Sunset: 7:58PM.

Alerts

Tropical Storm Warning
Terrebonne Bay, GM, Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm, GM, Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM, GM
Expires
Heat Advisory
Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS
Expires 8:00 PM
Heat Advisory
Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS
Expires 8:00 PM
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
11%
8 PM
29°
29%
9 PM
28°
21%
10 PM
28°
21%
11 PM
28°
14%
12 AM
27°
7%
1 AM
27°
3%
2 AM
27°
3%
3 AM
27°
3%
4 AM
27°
5%
5 AM
25°
5%
6 AM
26°
5%
7 AM
27°
10%
8 AM
29°
10%
9 AM
29°
10%
10 AM
31°
14%
11 AM
32°
23%
12 PM
32°
24%
1 PM
33°
24%
2 PM
34°
25%
3 PM
34°
11%
4 PM
34°
11%
5 PM
33°
12%
6 PM
33°
3%
7-Day Forecast
Tonight
32° 25°
Clear with a 21% chance of rain.
Mon
35° 25°
Mostly Clear with a 24% chance of rain.
Tue
36° 26°
Mostly Clear.
Wed
37° 26°
Partly Cloudy with a 73% chance of rain.
Thu
35° 26°
Rain, 68% chance.
Fri
35° 26°
Rain, 70% chance.
Sat
34° 26°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 30° Clear 11% 8 mph SW 75%
8 PM 29° Clear 29% 7 mph WSW 80%
9 PM 28° Clear 21% 6 mph WSW 85%
10 PM 28° Clear 21% 6 mph WSW 86%
11 PM 28° Mostly Clear 14% 5 mph WSW 88%
12 AM 27° Mostly Clear 7% 5 mph WSW 89%
1 AM 27° Partly Cloudy 3% 5 mph WSW 90%
2 AM 27° Mostly Clear 3% 5 mph WSW 92%
3 AM 27° Clear 3% 5 mph WSW 92%
4 AM 27° Clear 5% 5 mph W 92%
5 AM 25° Mostly Clear 5% 4 mph W 92%
6 AM 26° Partly Cloudy 5% 4 mph W 92%
7 AM 27° Mostly Clear 10% 5 mph W 86%
8 AM 29° Partly Cloudy 10% 6 mph WNW 79%
9 AM 29° Mostly Clear 10% 8 mph WNW 71%
10 AM 31° Mostly Clear 14% 8 mph WNW 66%
11 AM 32° Mostly Clear 23% 7 mph WNW 60%
12 PM 32° Partly Cloudy 24% 7 mph WNW 54%
1 PM 33° Partly Cloudy 24% 6 mph WNW 52%
2 PM 34° Mostly Clear 25% 6 mph WNW 50%
3 PM 34° Mostly Clear 11% 6 mph WNW 49%
4 PM 34° Mostly Clear 11% 7 mph W 54%
5 PM 33° Mostly Clear 12% 8 mph W 60%
6 PM 33° Mostly Clear 3% 9 mph W 66%
15-Day Forecast
Today
7/26
Clear
21%
25°
32°
Mon
7/27
Mostly Clear
24%
25°
35°
Tue
7/28
Mostly Clear
12%
26°
36°
Wed
7/29
Partly Cloudy
73%
26°
37°
Thu
7/30
Rain
68%
26°
35°
Fri
7/31
Rain
70%
26°
35°
Sat
8/1
Rain
64%
26°
34°
Sun
8/2
Thunderstorm
82%
25°
34°
Mon
8/3
Drizzle
69%
25°
34°
Tue
8/4
Drizzle
44%
26°
35°
Wed
8/5
Drizzle
60%
26°
36°
Thu
8/6
Drizzle
60%
25°
36°
Fri
8/7
Drizzle
60%
25°
35°
Sat
8/8
Drizzle
60%
25°
35°
Sun
8/9
Drizzle
60%
25°
34°
39
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
39 AQI 7.2 µg/m³
O3
Ground-level ozone
24 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 39 Good 24 39
Tue 32 Good 25 32
Wed 36 Good 26 36
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sun Jul 26, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2446 J/kg
MLCAPE2188 J/kg
MUCAPE2441 J/kg
SBCIN-43 J/kg
MLCIN0 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear13 kt
0–1 km Shear5 kt
Eff. Shear22 kt
0–1 km SRH-9
0–3 km SRH-18
Eff. SRH-18
Storm Motion297° @ 19 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index11.9
Thermo & Levels
PWAT1.77 in
0–3 km LR5.6 °C/km
700–500 LR6.0 °C/km
Total Totals43.4
LCL938 hPa
LFC885 hPa
EL144 hPa
Freezing Lvl17,329 ft